Thermo-actuator

Details Thermo-actuator Thermo-actuator

1990-03-23

1991-07-23

Cuchlinski, Jr., William A.

Thermal measuring and testing

Temperature measurement

Nonelectrical, nonmagnetic, or nonmechanical temperature...

60527, 236 99K, 236101C, 236 34, 236 345, 251 11, 374187, G01K 1106, G01K 548, G01K 500

Patent

active

050338650

ABSTRACT:
A thermo-actuator has a steel rod, a guide member slidably mounted on the rod, a spool seal secured to the guide member, a heat conductive cylinder secured to the guide member, and wax pellets provided in the cylinder. The spool seal has a thin layer, so that the spool seal engages with the rod by a vacuum generated in the spool seal. The thickness of the spool seal is between 5% to 25% of the diameter of the steel rod.

REFERENCES:
patent: 3080756 (1963-03-01), Baker
patent: 3149455 (1964-09-01), Daly et al.
patent: 3207436 (1965-09-01), Jones
patent: 3231194 (1966-01-01), Kuze
patent: 3308668 (1967-03-01), Wong
patent: 3357252 (1967-12-01), VErnet
patent: 3407663 (1968-10-01), Vernet
patent: 3719085 (1973-03-01), Sliger
patent: 4235109 (1980-11-01), Williamson
patent: 4337621 (1982-07-01), Lane, Jr. et al.
patent: 4441317 (1984-04-01), Wolfe et al.

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